λ
Sigma Notebook

2,176,436

22 × 544109
Deficient Even Composite

2,176,436 is even and not a perfect square. Its factorization is 2^2 × 544109 and its 6 divisors sum to 3,808,770.

Prime Factor Structure

Factorization String 2^2 × 544109
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 3,808,770
Proper Divisor Sum 1,632,334
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #2176423 ← → #2176439

Radix Representation

Decimal 2176436
Binary 1000010011010110110100 (22 bits)
Octal 0o10232664
Hexadecimal 0x2135B4

Divisor Catalog (6)

1 2 4 544,109 1,088,218 2,176,436

Collatz Trajectory (73 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

2,176,436 1,088,218 544,109 1,632,328 816,164 408,082 204,041 612,124 306,062 153,031 459,094 229,547 688,642 344,321 1,032,964 516,482 258,241 774,724 387,362 193,681 581,044 290,522 145,261 435,784 217,892 108,946 54,473 163,420 81,710 40,855 122,566 61,283 183,850 91,925 275,776 137,888 68,944 34,472 17,236 8,618 4,309 12,928 6,464 3,232 1,616 808 404 202 101 304 152 76 38 19 58 29 88 44 22 11

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